34
UPS for 400 Vac Grid, Installation Guide, doc. rel. 3.0
Figure 12: Connecting a Single Battery Set
Table 5: Battery current ratings for semiconductor fuses and circuit breakers
UPS CAPACITY (KW)
30
60
90
120 150 180 210 240 270
300
UPS CAPACITY (KVA)
30
60
90
120 150 180 210 240 270
300
CURRENT (A)
44
88
132 176 220 264 308 352 396
440
FUSE (A)
50
100 150 180 220 260 300 350 400
400
7.
The fuses between the battery cabinets and The UPS (F1, F2, F3, and F4 in Figure 12)
must be
FAST FUSES (SEMICONDUCTOR FUSES)
; for example, the Ferraz Shawmut
A70QS fuse.
8.
For initial startup to take place the battery must be connected to the UPS and available.
Current values are for fuses F1 through F4 in Figure 12 and are based on 10-
minute backup time at full load. If longer backup time is required, please consult
with Gamatronic Support.